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2018-09-19perf tools: Remove perf_tool from event_op3Jiri Olsa
Now that we keep a perf_tool pointer inside perf_session, there's no need to have a perf_tool argument in the event_op3 callback. Remove it. Signed-off-by: Jiri Olsa <jolsa@kernel.org> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Alexey Budankov <alexey.budankov@linux.intel.com> Cc: Andi Kleen <andi@firstfloor.org> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Peter Zijlstra <peterz@infradead.org> Link: http://lkml.kernel.org/r/20180913125450.21342-3-jolsa@kernel.org [ Fix the builtin-inject.c build for !HAVE_AUXTRACE_SUPPORT ] Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2018-09-19perf tools: Remove perf_tool from event_op2Jiri Olsa
Now that we keep a perf_tool pointer inside perf_session, there's no need to have a perf_tool argument in the event_op2 callback. Remove it. Signed-off-by: Jiri Olsa <jolsa@kernel.org> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Alexey Budankov <alexey.budankov@linux.intel.com> Cc: Andi Kleen <andi@firstfloor.org> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Peter Zijlstra <peterz@infradead.org> Link: http://lkml.kernel.org/r/20180913125450.21342-2-jolsa@kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2018-09-19perf bpf-loader: use PTR_ERR_OR_ZERO inetead of return codeDing Xiang
Use PTR_ERR_OR_ZERO() in bpf__setup_stdout() return code instead of open coded equivalent. Signed-off-by: Ding Xiang <dingxiang@cmss.chinamobile.com> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Jiri Olsa <jolsa@redhat.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Peter Zijlstra <peterz@infradead.org> Link: http://lkml.kernel.org/r/1536284082-23466-2-git-send-email-dingxiang@cmss.chinamobile.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2018-09-19perf ordered_events: Prevent crossing max_alloc_sizeJiri Olsa
Stephane reported a possible issue in the ordered events code, which could lead to allocating more memory than guarded by max_alloc_size. He also suggested the fix to properly check that the new size is below the max_alloc_size limit. Reported-by: Stephane Eranian <eranian@google.com> Suggested-by: Stephane Eranian <eranian@google.com> Signed-off-by: Jiri Olsa <jolsa@kernel.org> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Andi Kleen <andi@firstfloor.org> Cc: David Ahern <dsahern@gmail.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Peter Zijlstra <peterz@infradead.org> Link: http://lkml.kernel.org/r/20180907102455.7030-2-jolsa@kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2018-09-19perf ordered_events: Add 'struct ordered_events_buffer' layerJiri Olsa
When ordering events, we use preallocated buffers to store separate events. Those buffers currently don't have their own struct, but since they are basically an array of 'struct ordered_event' objects, we use the first event to hold buffers data - list head, that holds all buffers together: struct ordered_events { ... struct ordered_event *buffer; ... }; struct ordered_event { u64 timestamp; u64 file_offset; union perf_event *event; struct list_head list; }; This is quite convoluted and error prone as demonstrated by free-ing issue discovered and fixed by Stephane in here [1]. This patch adds the 'struct ordered_events_buffer' object, that holds the buffer data and frees it up properly. [1] - https://marc.info/?l=linux-kernel&m=153376761329335&w=2 Reported-by: Stephane Eranian <eranian@google.com> Signed-off-by: Jiri Olsa <jolsa@kernel.org> Tested-by: Stephane Eranian <eranian@google.com> Acked-by: Namhyung Kim <namhyung@kernel.org> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Andi Kleen <andi@firstfloor.org> Cc: David Ahern <dsahern@gmail.com> Cc: Peter Zijlstra <peterz@infradead.org> Link: http://lkml.kernel.org/r/20180907102455.7030-1-jolsa@kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2018-09-18perf test: Add watchpoint testRavi Bangoria
We don't have a 'perf test' entry available to test the watchpoint functionality. Add a simple set of tests: - Read only watchpoint - Write only watchpoint - Read / Write watchpoint - Runtime watchpoint modification Ex.: on powerpc: $ sudo perf test 22 22: Watchpoint : 22.1: Read Only Watchpoint : Ok 22.2: Write Only Watchpoint : Ok 22.3: Read / Write Watchpoint : Ok 22.4: Modify Watchpoint : Ok Signed-off-by: Ravi Bangoria <ravi.bangoria@linux.ibm.com> Acked-by: Jiri Olsa <jolsa@kernel.org> Tested-by: Arnaldo Carvalho de Melo <acme@redhat.com> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Hendrik Brueckner <brueckner@linux.ibm.com> Cc: Kate Stewart <kstewart@linuxfoundation.org> Cc: Kim Phillips <kim.phillips@arm.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Naveen N. Rao <naveen.n.rao@linux.vnet.ibm.com> Cc: Sandipan Das <sandipan@linux.ibm.com> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Thomas Richter <tmricht@linux.ibm.com> Link: http://lkml.kernel.org/r/20180912061229.22832-1-ravi.bangoria@linux.ibm.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2018-09-18Merge remote-tracking branch 'acme/perf/urgent' into perf/coreArnaldo Carvalho de Melo
To pick up fixes. Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2018-09-18perf Documentation: Fix out-of-tree asciidoctor man page generationBen Hutchings
The dependency for the man page rule using asciidoctor incorrectly specifies a source file in $(OUTPUT). When building out-of-tree, the source file is not found, resulting in a fall-back to the following rule which uses xmlto. Signed-off-by: Ben Hutchings <ben@decadent.org.uk> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Jiri Olsa <jolsa@redhat.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Peter Zijlstra <peterz@infradead.org> Link: http://lkml.kernel.org/r/20180916151704.GF4765@decadent.org.uk Fixes: ffef80ecf89f ("perf Documentation: Support for asciidoctor") Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2018-09-11perf tools: Fix maps__find_symbol_by_name()Adrian Hunter
Commit 1c5aae7710bb ("perf machine: Create maps for x86 PTI entry trampolines") revealed a problem with maps__find_symbol_by_name() that resulted in probes not being found e.g. $ sudo perf probe xsk_mmap xsk_mmap is out of .text, skip it. Probe point 'xsk_mmap' not found. Error: Failed to add events. maps__find_symbol_by_name() can optionally return the map of the found symbol. It can get the map wrong because, in fact, the symbol is found on the map's dso, not allowing for the possibility that the dso has more than one map. Fix by always checking the map contains the symbol. Reported-by: Björn Töpel <bjorn.topel@intel.com> Signed-off-by: Adrian Hunter <adrian.hunter@intel.com> Tested-by: Björn Töpel <bjorn.topel@intel.com> Cc: Jiri Olsa <jolsa@redhat.com> Cc: stable@vger.kernel.org Fixes: 1c5aae7710bb ("perf machine: Create maps for x86 PTI entry trampolines") Link: http://lkml.kernel.org/r/20180907085116.25782-1-adrian.hunter@intel.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2018-09-05perf tests: Fix record+probe_libc_inet_pton.sh without ping's debuginfoArnaldo Carvalho de Melo
When we don't have the iputils-debuginfo package installed, i.e. when we don't have the DWARF information needed to resolve ping's samples, we end up failing this 'perf test' entry: # perf test ping 62: probe libc's inet_pton & backtrace it with ping : Ok # rpm -e iputils-debuginfo # perf test ping 62: probe libc's inet_pton & backtrace it with ping : FAILED! # Fix it to accept "[unknown]" where the symbol + offset, when resolved, is expected. I think this will fail in the other arches as well, but since I can't test now, I'm leaving s390x and ppc cases as-is. Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: David Ahern <dsahern@gmail.com> Cc: Hendrik Brueckner <brueckner@linux.vnet.ibm.com> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Kim Phillips <kim.phillips@arm.com> Cc: Michael Petlan <mpetlan@redhat.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Naveen N. Rao <naveen.n.rao@linux.vnet.ibm.com> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Ravi Bangoria <ravi.bangoria@linux.ibm.com> Cc: Sandipan Das <sandipan@linux.vnet.ibm.com> Cc: Sukadev Bhattiprolu <sukadev@linux.vnet.ibm.com> Cc: Thomas Richter <tmricht@linux.vnet.ibm.com> Cc: Wang Nan <wangnan0@huawei.com> Fixes: 7903a7086723 ("perf script: Show symbol offsets by default") Link: https://lkml.kernel.org/n/tip-hnizqwqrs03vcq1b74yao0f6@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2018-09-04perf map: Turn some pr_warning() to pr_debug()Arnaldo Carvalho de Melo
Annoying when using it with --stdio/--stdio2, so just turn them debug, we can get those using -v. Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: David Ahern <dsahern@gmail.com> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Wang Nan <wangnan0@huawei.com> Link: https://lkml.kernel.org/n/tip-t3684lkugnf1w4lwcmpj9ivm@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2018-09-04perf trace: Use the raw_syscalls:sys_enter for the augmented syscallsArnaldo Carvalho de Melo
Now we combine what comes from the "bpf-output" event, i.e. what is added in the augmented_syscalls.c BPF program via the __augmented_syscalls__ BPF map, i.e. the payload we get with raw_syscalls:sys_enter tracepoints plus the pointer contents, right after that payload, with the raw_syscall:sys_exit also added, without augmentation, in the augmented_syscalls.c program. The end result is that for the hooked syscalls, we get strace like output with pointer expansion, something that wasn't possible before with just raw_syscalls:sys_enter + raw_syscalls:sys_exit. E.g.: # perf trace -e tools/perf/examples/bpf/augmented_syscalls.c ping -c 2 ::1 0.000 ( 0.008 ms): ping/19573 openat(dfd: CWD, filename: /etc/ld.so.cache, flags: CLOEXEC) = 3 0.036 ( 0.006 ms): ping/19573 openat(dfd: CWD, filename: /lib64/libcap.so.2, flags: CLOEXEC) = 3 0.070 ( 0.004 ms): ping/19573 openat(dfd: CWD, filename: /lib64/libidn.so.11, flags: CLOEXEC) = 3 0.095 ( 0.004 ms): ping/19573 openat(dfd: CWD, filename: /lib64/libcrypto.so.1.1, flags: CLOEXEC) = 3 0.127 ( 0.004 ms): ping/19573 openat(dfd: CWD, filename: /lib64/libresolv.so.2, flags: CLOEXEC) = 3 0.156 ( 0.004 ms): ping/19573 openat(dfd: CWD, filename: /lib64/libm.so.6, flags: CLOEXEC) = 3 0.181 ( 0.004 ms): ping/19573 openat(dfd: CWD, filename: /lib64/libc.so.6, flags: CLOEXEC) = 3 0.212 ( 0.004 ms): ping/19573 openat(dfd: CWD, filename: /lib64/libz.so.1, flags: CLOEXEC) = 3 0.242 ( 0.004 ms): ping/19573 openat(dfd: CWD, filename: /lib64/libdl.so.2, flags: CLOEXEC) = 3 0.266 ( 0.003 ms): ping/19573 openat(dfd: CWD, filename: /lib64/libpthread.so.0, flags: CLOEXEC) = 3 0.709 ( 0.006 ms): ping/19573 open(filename: /usr/lib/locale/locale-archive, flags: CLOEXEC) = 3 PING ::1(::1) 56 data bytes 1.133 ( 0.011 ms): ping/19573 connect(fd: 5, uservaddr: { .family: INET6, port: 1025, addr: ::1 }, addrlen: 28) = 0 64 bytes from ::1: icmp_seq=1 ttl=64 time=0.033 ms 1.234 ( 0.036 ms): ping/19573 sendto(fd: 4<socket:[1498931]>, buff: 0x555e5b975720, len: 64, addr: { .family: INET6, port: 58, addr: ::1 }, addr_len: 28) = 64 64 bytes from ::1: icmp_seq=2 ttl=64 time=0.120 ms --- ::1 ping statistics --- 2 packets transmitted, 2 received, 0% packet loss, time 1000ms rtt min/avg/max/mdev = 0.033/0.076/0.120/0.044 ms 1002.060 ( 0.129 ms): ping/19573 sendto(fd: 4<socket:[1498931]>, buff: 0x555e5b975720, len: 64, flags: CONFIRM, addr: { .family: INET6, port: 58, addr: ::1 }, addr_len: 28) = 64 # # perf trace -e tools/perf/examples/bpf/augmented_syscalls.c cat tools/perf/examples/bpf/hello.c #include <stdio.h> int syscall_enter(openat)(void *args) { puts("Hello, world\n"); return 0; } license(GPL); 0.000 ( 0.008 ms): cat/20054 openat(dfd: CWD, filename: /etc/ld.so.cache, flags: CLOEXEC) = 3 0.020 ( 0.005 ms): cat/20054 openat(dfd: CWD, filename: /lib64/libc.so.6, flags: CLOEXEC) = 3 0.176 ( 0.011 ms): cat/20054 open(filename: /usr/lib/locale/locale-archive, flags: CLOEXEC) = 3 0.243 ( 0.006 ms): cat/20054 openat(dfd: CWD, filename: tools/perf/examples/bpf/hello.c) = 3 # Now to think how to hook on all syscalls, fallbacking to the non-augmented raw_syscalls:sys_enter payload. Probably the best way is to use a BPF_MAP_TYPE_PROG_ARRAY just like samples/bpf/tracex5_kern.c does. Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: David Ahern <dsahern@gmail.com> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Wang Nan <wangnan0@huawei.com> Link: https://lkml.kernel.org/n/tip-nlt60y69o26xi59z5vtpdrj5@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2018-09-04perf trace: Setup augmented_args in the raw_syscalls:sys_enter handlerArnaldo Carvalho de Melo
Without using something to augment the raw_syscalls:sys_enter tracepoint payload with the pointer contents, this will work just like before, i.e. the augmented_args arg will be NULL and the augmented_args_size will be 0. This just paves the way for the next cset where we will associate the trace__sys_enter tracepoint handler with the augmented "bpf-output" event named "__augmented_args__". Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: David Ahern <dsahern@gmail.com> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Wang Nan <wangnan0@huawei.com> Link: https://lkml.kernel.org/n/tip-p8uvt2a6ug3uwlhja3cno4la@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2018-09-03perf trace: Introduce syscall__augmented_args() methodArnaldo Carvalho de Melo
That will be used by trace__sys_enter when we start combining the augmented syscalls:sys_enter_FOO + syscalls:sys_exit_FOO. Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: David Ahern <dsahern@gmail.com> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Wang Nan <wangnan0@huawei.com> Link: https://lkml.kernel.org/n/tip-iiseo3s0qbf9i3rzn8k597bv@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2018-09-03perf augmented_syscalls: Avoid optimization to pass older BPF validatorsArnaldo Carvalho de Melo
See https://www.spinics.net/lists/netdev/msg480099.html for the whole discussio, but to make the augmented_syscalls.c BPF program to get built and loaded successfully in a greater range of kernels, add an extra check. Related patch: a60dd35d2e39 ("bpf: change bpf_perf_event_output arg5 type to ARG_CONST_SIZE_OR_ZERO") That is in the kernel since v4.15, I couldn't figure why this is hitting me with 4.17.17, but adding the workaround discussed there makes this work with this fedora kernel and with 4.18.recent. Before: # uname -a Linux seventh 4.17.17-100.fc27.x86_64 #1 SMP Mon Aug 20 15:53:11 UTC 2018 x86_64 x86_64 x86_64 GNU/Linux # perf trace -e tools/perf/examples/bpf/augmented_syscalls.c cat /etc/passwd > /dev/null libbpf: load bpf program failed: Permission denied libbpf: -- BEGIN DUMP LOG --- libbpf: 0: (bf) r6 = r1 1: (b7) r1 = 0 2: (7b) *(u64 *)(r10 -8) = r1 3: (7b) *(u64 *)(r10 -16) = r1 4: (7b) *(u64 *)(r10 -24) = r1 5: (7b) *(u64 *)(r10 -32) = r1 6: (7b) *(u64 *)(r10 -40) = r1 7: (7b) *(u64 *)(r10 -48) = r1 8: (7b) *(u64 *)(r10 -56) = r1 9: (7b) *(u64 *)(r10 -64) = r1 10: (7b) *(u64 *)(r10 -72) = r1 11: (7b) *(u64 *)(r10 -80) = r1 12: (7b) *(u64 *)(r10 -88) = r1 13: (7b) *(u64 *)(r10 -96) = r1 14: (7b) *(u64 *)(r10 -104) = r1 15: (7b) *(u64 *)(r10 -112) = r1 16: (7b) *(u64 *)(r10 -120) = r1 17: (7b) *(u64 *)(r10 -128) = r1 18: (7b) *(u64 *)(r10 -136) = r1 19: (7b) *(u64 *)(r10 -144) = r1 20: (7b) *(u64 *)(r10 -152) = r1 21: (7b) *(u64 *)(r10 -160) = r1 22: (7b) *(u64 *)(r10 -168) = r1 23: (7b) *(u64 *)(r10 -176) = r1 24: (7b) *(u64 *)(r10 -184) = r1 25: (7b) *(u64 *)(r10 -192) = r1 26: (7b) *(u64 *)(r10 -200) = r1 27: (7b) *(u64 *)(r10 -208) = r1 28: (7b) *(u64 *)(r10 -216) = r1 29: (7b) *(u64 *)(r10 -224) = r1 30: (7b) *(u64 *)(r10 -232) = r1 31: (7b) *(u64 *)(r10 -240) = r1 32: (7b) *(u64 *)(r10 -248) = r1 33: (7b) *(u64 *)(r10 -256) = r1 34: (7b) *(u64 *)(r10 -264) = r1 35: (7b) *(u64 *)(r10 -272) = r1 36: (7b) *(u64 *)(r10 -280) = r1 37: (7b) *(u64 *)(r10 -288) = r1 38: (7b) *(u64 *)(r10 -296) = r1 39: (7b) *(u64 *)(r10 -304) = r1 40: (7b) *(u64 *)(r10 -312) = r1 41: (bf) r7 = r10 42: (07) r7 += -312 43: (bf) r1 = r7 44: (b7) r2 = 48 45: (bf) r3 = r6 46: (85) call bpf_probe_read#4 47: (79) r3 = *(u64 *)(r6 +24) 48: (bf) r1 = r10 49: (07) r1 += -256 50: (b7) r8 = 256 51: (b7) r2 = 256 52: (85) call bpf_probe_read_str#45 53: (bf) r1 = r0 54: (67) r1 <<= 32 55: (77) r1 >>= 32 56: (bf) r5 = r0 57: (07) r5 += 56 58: (2d) if r8 > r1 goto pc+1 R0=inv(id=0) R1=inv(id=0,umin_value=256,umax_value=4294967295,var_off=(0x0; 0xffffffff)) R5=inv(id=0) R6=ctx(id=0,off=0,imm=0) R7=fp-312,call_-1 R8=inv256 R10=fp0,call_-1 fp-264=0 59: (b7) r5 = 312 60: (63) *(u32 *)(r10 -264) = r0 61: (67) r5 <<= 32 62: (77) r5 >>= 32 63: (bf) r1 = r6 64: (18) r2 = 0xffff8b9120cc8500 66: (18) r3 = 0xffffffff 68: (bf) r4 = r7 69: (85) call bpf_perf_event_output#25 70: (b7) r0 = 0 71: (95) exit from 58 to 60: R0=inv(id=0) R1=inv(id=0,umax_value=255,var_off=(0x0; 0xff)) R5=inv(id=0) R6=ctx(id=0,off=0,imm=0) R7=fp-312,call_-1 R8=inv256 R10=fp0,call_-1 fp-264=0 60: (63) *(u32 *)(r10 -264) = r0 61: (67) r5 <<= 32 62: (77) r5 >>= 32 63: (bf) r1 = r6 64: (18) r2 = 0xffff8b9120cc8500 66: (18) r3 = 0xffffffff 68: (bf) r4 = r7 69: (85) call bpf_perf_event_output#25 R5 unbounded memory access, use 'var &= const' or 'if (var < const)' libbpf: -- END LOG -- libbpf: failed to load program 'syscalls:sys_enter_openat' libbpf: failed to load object 'tools/perf/examples/bpf/augmented_syscalls.c' bpf: load objects failed: err=-4007: (Kernel verifier blocks program loading) event syntax error: 'tools/perf/examples/bpf/augmented_syscalls.c' \___ Kernel verifier blocks program loading After: # perf trace -e tools/perf/examples/bpf/augmented_syscalls.c cat /etc/passwd > /dev/null 0.000 cat/29249 openat(dfd: CWD, filename: /etc/ld.so.cache, flags: CLOEXEC) 0.008 cat/29249 syscalls:sys_exit_openat:0x3 0.021 cat/29249 openat(dfd: CWD, filename: /lib64/libc.so.6, flags: CLOEXEC) 0.025 cat/29249 syscalls:sys_exit_openat:0x3 0.180 cat/29249 open(filename: /usr/lib/locale/locale-archive, flags: CLOEXEC) 0.185 cat/29249 syscalls:sys_exit_open:0x3 0.242 cat/29249 openat(dfd: CWD, filename: /etc/passwd) 0.245 cat/29249 syscalls:sys_exit_openat:0x3 # It also works with a more recent kernel: # uname -a Linux jouet 4.18.0-00014-g4e67b2a5df5d #6 SMP Thu Aug 30 17:34:17 -03 2018 x86_64 x86_64 x86_64 GNU/Linux # perf trace -e tools/perf/examples/bpf/augmented_syscalls.c cat /etc/passwd > /dev/null 0.000 cat/26451 openat(dfd: CWD, filename: /etc/ld.so.cache, flags: CLOEXEC) 0.020 cat/26451 syscalls:sys_exit_openat:0x3 0.039 cat/26451 openat(dfd: CWD, filename: /lib64/libc.so.6, flags: CLOEXEC) 0.044 cat/26451 syscalls:sys_exit_openat:0x3 0.231 cat/26451 open(filename: /usr/lib/locale/locale-archive, flags: CLOEXEC) 0.238 cat/26451 syscalls:sys_exit_open:0x3 0.278 cat/26451 openat(dfd: CWD, filename: /etc/passwd) 0.282 cat/26451 syscalls:sys_exit_openat:0x3 # Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: Daniel Borkmann <daniel@iogearbox.net> Cc: David Ahern <dsahern@gmail.com> Cc: Gianluca Borello <g.borello@gmail.com> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Wang Nan <wangnan0@huawei.com> Cc: Yonghong Song <yhs@fb.com> Link: https://lkml.kernel.org/n/tip-wkpsivs1a9afwldbul46btbv@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2018-09-03perf augmented_syscalls: Check probe_read_str() return separatelyArnaldo Carvalho de Melo
Using a value returned from probe_read_str() to tell how many bytes to copy using perf_event_output() has issues in some older kernels, like 4.17.17-100.fc27.x86_64, so separate the bounds checking done on how many bytes to copy to a separate variable, so that the next patch has only what is being done to make the test pass on older BPF validators. For reference, see the discussion in this thread: https://www.spinics.net/lists/netdev/msg480099.html Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: Daniel Borkmann <daniel@iogearbox.net> Cc: David Ahern <dsahern@gmail.com> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Wang Nan <wangnan0@huawei.com> Cc: Yonghong Song <yhs@fb.com> Link: https://lkml.kernel.org/n/tip-jtsapwibyxrnv1xjfsgzp0fj@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2018-08-30perf annotate: Handle arm64 move instructionsKim Phillips
Add default handler for non-jump instructions. This really only has an effect on instructions that compute a PC-relative address, such as 'adrp,' as seen in these couple of examples: BEFORE: adrp x0, ffff20000aa11000 <kallsyms_token_index+0xce000> AFTER: adrp x0, kallsyms_token_index+0xce000 BEFORE: adrp x23, ffff20000ae94000 <__per_cpu_load> AFTER: adrp x23, __per_cpu_load The implementation is identical to that of s390, but with a slight adjustment for objdump whitespace propagation (arm64 objdump puts spaces after commas, whereas s390's presumably doesn't). The mov__scnprintf() declaration is moved from s390's to arm64's instructions.c because arm64's gets included before s390's. Committer testing: Ran 'perf annotate --stdio2 > /tmp/{before,after}' no diff. Signed-off-by: Kim Phillips <kim.phillips@arm.com> Tested-by: Arnaldo Carvalho de Melo <acme@redhat.com> Tested-by: Thomas Richter <tmricht@linux.vnet.ibm.com> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Cc: Hendrik Brueckner <brueckner@linux.vnet.ibm.com> Cc: Jiri Olsa <jolsa@redhat.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: linux-arm-kernel@lists.infradead.org Link: http://lkml.kernel.org/r/20180827150807.304110d2e9919a17c832ca48@arm.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2018-08-30perf trace beauty: Alias 'umount' to 'umount2'Benjamin Peterson
Before: # perf trace -e *mount* umount /dev/mapper/fedora-home /s 11.576 ( 0.004 ms) umount/3138 umount2(arg0: 94501956754656, arg1: 0, arg2: 1, arg3: 140051050083104, arg4: 4, arg5: 94501956755136) = -1 EINVAL Invalid argument # After: # perf trace -e *mount* umount /s 0.000 ( 9.241 ms): umount/5251 umount2(name: 0x55f74a986480) = 0 Signed-off-by: Benjamin Peterson <benjamin@python.org> Tested-by: Arnaldo Carvalho de Melo <acme@redhat.com> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Jiri Olsa <jolsa@redhat.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Peter Zijlstra <peterz@infradead.org> Link: http://lkml.kernel.org/r/20180828035344.31500-1-benjamin@python.org [ split from a larger patch ] Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2018-08-30perf stat: Move the display functions to stat-display.cJiri Olsa
Move perf_evlist__print_counters() with all its dependency functions to the stat-display.c object. Signed-off-by: Jiri Olsa <jolsa@kernel.org> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Andi Kleen <andi@firstfloor.org> Cc: David Ahern <dsahern@gmail.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Peter Zijlstra <peterz@infradead.org> Link: http://lkml.kernel.org/r/20180830063252.23729-44-jolsa@kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2018-08-30perf stat: Move 'metric_events' to 'struct perf_stat_config'Jiri Olsa
Move the static variable 'metric_events' to 'struct perf_stat_config', so that it can be passed around and used outside 'perf stat' command. Signed-off-by: Jiri Olsa <jolsa@kernel.org> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Andi Kleen <andi@firstfloor.org> Cc: David Ahern <dsahern@gmail.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Peter Zijlstra <peterz@infradead.org> Link: http://lkml.kernel.org/r/20180830063252.23729-43-jolsa@kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2018-08-30perf stat: Move 'walltime_*' data to 'struct perf_stat_config'Jiri Olsa
Move the static variables 'walltime_*' to 'struct perf_stat_config', so that it can be passed around and used outside 'perf stat' command. Signed-off-by: Jiri Olsa <jolsa@kernel.org> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Andi Kleen <andi@firstfloor.org> Cc: David Ahern <dsahern@gmail.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Peter Zijlstra <peterz@infradead.org> Link: http://lkml.kernel.org/r/20180830063252.23729-42-jolsa@kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2018-08-30perf stat: Propagate 'struct target' arg to sort_aggr_thread()Jiri Olsa
Propagate the 'struct target' arg to sort_aggr_thread() so that the function does not depend on the 'perf stat' command object local variable 'target' and can be moved out. Signed-off-by: Jiri Olsa <jolsa@kernel.org> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Andi Kleen <andi@firstfloor.org> Cc: David Ahern <dsahern@gmail.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Peter Zijlstra <peterz@infradead.org> Link: http://lkml.kernel.org/r/20180830063252.23729-41-jolsa@kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2018-08-30perf stat: Move 'no_merge' data to 'struct perf_stat_config'Jiri Olsa
Move the static variable 'no_merge' to 'struct perf_stat_config', so that it can be passed around and used outside 'perf stat' command. Signed-off-by: Jiri Olsa <jolsa@kernel.org> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Andi Kleen <andi@firstfloor.org> Cc: David Ahern <dsahern@gmail.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Peter Zijlstra <peterz@infradead.org> Link: http://lkml.kernel.org/r/20180830063252.23729-40-jolsa@kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2018-08-30perf stat: Move 'big_num' data to 'struct perf_stat_config'Jiri Olsa
Move the static variable 'big_num' to 'struct perf_stat_config', so that it can be passed around and used outside 'perf stat' command. Signed-off-by: Jiri Olsa <jolsa@kernel.org> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Andi Kleen <andi@firstfloor.org> Cc: David Ahern <dsahern@gmail.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Peter Zijlstra <peterz@infradead.org> Link: http://lkml.kernel.org/r/20180830063252.23729-39-jolsa@kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2018-08-30perf stat: Do not use the global 'evsel_list' in print functionsJiri Olsa
Get rid of the the 'evsel_list' global variable dependency, here we can use the 'evlist' pointer from the evsel. Signed-off-by: Jiri Olsa <jolsa@kernel.org> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Andi Kleen <andi@firstfloor.org> Cc: David Ahern <dsahern@gmail.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Peter Zijlstra <peterz@infradead.org> Link: http://lkml.kernel.org/r/20180830063252.23729-38-jolsa@kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2018-08-30perf stat: Move *_aggr_* data to 'struct perf_stat_config'Jiri Olsa
Move the *_aggr_* global variables to 'struct perf_stat_config', so that it can be passed around and used outside 'perf stat' command. Signed-off-by: Jiri Olsa <jolsa@kernel.org> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Andi Kleen <andi@firstfloor.org> Cc: David Ahern <dsahern@gmail.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Peter Zijlstra <peterz@infradead.org> Link: http://lkml.kernel.org/r/20180830063252.23729-37-jolsa@kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2018-08-30perf stat: Move ru_* data to 'struct perf_stat_config'Jiri Olsa
Move the 'ru_*' global variables to 'struct perf_stat_config', so that it can be passed around and used outside the 'perf stat' command. Signed-off-by: Jiri Olsa <jolsa@kernel.org> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Andi Kleen <andi@firstfloor.org> Cc: David Ahern <dsahern@gmail.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Peter Zijlstra <peterz@infradead.org> Link: http://lkml.kernel.org/r/20180830063252.23729-36-jolsa@kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2018-08-30perf stat: Move 'print_mixed_hw_group_error' to 'struct perf_stat_config'Jiri Olsa
Move the 'print_mixed_hw_group_error' global variable to 'struct perf_stat_config', so that it can be passed around and used outside the 'perf stat' command. Signed-off-by: Jiri Olsa <jolsa@kernel.org> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Andi Kleen <andi@firstfloor.org> Cc: David Ahern <dsahern@gmail.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Peter Zijlstra <peterz@infradead.org> Link: http://lkml.kernel.org/r/20180830063252.23729-35-jolsa@kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2018-08-30perf stat: Move 'print_free_counters_hint' to 'struct perf_stat_config'Jiri Olsa
Move the 'print_free_counters_hint' variable to 'struct perf_stat_config', so that it can be passed around and used outside the 'perf stat' command. Signed-off-by: Jiri Olsa <jolsa@kernel.org> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Andi Kleen <andi@firstfloor.org> Cc: David Ahern <dsahern@gmail.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Peter Zijlstra <peterz@infradead.org> Link: http://lkml.kernel.org/r/20180830063252.23729-34-jolsa@kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2018-08-30perf stat: Move 'null_run' to 'struct perf_stat_config'Jiri Olsa
Move the static 'null_run' variable to 'struct perf_stat_config', so that it can be passed around and used outside the 'perf stat' command. Signed-off-by: Jiri Olsa <jolsa@kernel.org> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Andi Kleen <andi@firstfloor.org> Cc: David Ahern <dsahern@gmail.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Peter Zijlstra <peterz@infradead.org> Link: http://lkml.kernel.org/r/20180830063252.23729-33-jolsa@kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2018-08-30perf stat: Add 'walltime_nsecs_stats' pointer to 'struct perf_stat_config'Jiri Olsa
Add 'walltime_nsecs_stats' pointer to 'struct perf_stat_config', so that it can be passed around and used outside the 'perf stat' command. It's initialized to point to stat's walltime_nsecs_stats value. Signed-off-by: Jiri Olsa <jolsa@kernel.org> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Andi Kleen <andi@firstfloor.org> Cc: David Ahern <dsahern@gmail.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Peter Zijlstra <peterz@infradead.org> Link: http://lkml.kernel.org/r/20180830063252.23729-32-jolsa@kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2018-08-30perf stat: Pass 'evlist' to aggr_update_shadow()Jiri Olsa
Pass a 'evlist' argument to aggr_update_shadow(), to get rid of the global 'evsel_list' variable dependency. Signed-off-by: Jiri Olsa <jolsa@kernel.org> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Andi Kleen <andi@firstfloor.org> Cc: David Ahern <dsahern@gmail.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Peter Zijlstra <peterz@infradead.org> Link: http://lkml.kernel.org/r/20180830063252.23729-31-jolsa@kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2018-08-30perf stat: Pass 'struct perf_stat_config' to first_shadow_cpu()Jiri Olsa
Pass a 'struct perf_stat_config' arg to first_shadow_cpu(), so that the function does not depend on the 'perf stat' command object local 'stat_config' variable and can then be moved out. Signed-off-by: Jiri Olsa <jolsa@kernel.org> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Andi Kleen <andi@firstfloor.org> Cc: David Ahern <dsahern@gmail.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Peter Zijlstra <peterz@infradead.org> Link: http://lkml.kernel.org/r/20180830063252.23729-30-jolsa@kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2018-08-30perf stat: Move 'metric_only_len' to 'struct perf_stat_config'Jiri Olsa
Move the static 'metric_only_len' variable to 'struct perf_stat_config', so that it can be passed around and used outside the 'perf stat' command. Signed-off-by: Jiri Olsa <jolsa@kernel.org> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Andi Kleen <andi@firstfloor.org> Cc: David Ahern <dsahern@gmail.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Peter Zijlstra <peterz@infradead.org> Link: http://lkml.kernel.org/r/20180830063252.23729-29-jolsa@kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2018-08-30perf stat: Move 'run_count' to 'struct perf_stat_config'Jiri Olsa
Move the static 'run_count' variable to 'struct perf_stat_config', so that it can be passed around and used outside the 'perf stat' command. Signed-off-by: Jiri Olsa <jolsa@kernel.org> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Andi Kleen <andi@firstfloor.org> Cc: David Ahern <dsahern@gmail.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Peter Zijlstra <peterz@infradead.org> Link: http://lkml.kernel.org/r/20180830063252.23729-28-jolsa@kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2018-08-30perf stat: Use 'evsel->evlist' instead of 'evsel_list' in collect_all_aliases()Jiri Olsa
Use 'evsel->evlist' instead of 'evsel_list' in collect_all_aliases(), to get rid of the global 'evsel_list' variable dependency. Signed-off-by: Jiri Olsa <jolsa@kernel.org> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Andi Kleen <andi@firstfloor.org> Cc: David Ahern <dsahern@gmail.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Peter Zijlstra <peterz@infradead.org> Link: http://lkml.kernel.org/r/20180830063252.23729-27-jolsa@kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2018-08-30perf stat: Pass 'evlist' argument to print functionsJiri Olsa
Add 'evlist' argument to print functions to get rid of the global 'evsel_list' variable dependency. Signed-off-by: Jiri Olsa <jolsa@kernel.org> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Andi Kleen <andi@firstfloor.org> Cc: David Ahern <dsahern@gmail.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Peter Zijlstra <peterz@infradead.org> Link: http://lkml.kernel.org/r/20180830063252.23729-26-jolsa@kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2018-08-30perf stat: Add 'target' argument to perf_evlist__print_counters()Jiri Olsa
Add 'struct target' argument to perf_evlist__print_counters(), so the function does not depend on the 'perf stat' command object local target and can be moved out. Signed-off-by: Jiri Olsa <jolsa@kernel.org> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Andi Kleen <andi@firstfloor.org> Cc: David Ahern <dsahern@gmail.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Peter Zijlstra <peterz@infradead.org> Link: http://lkml.kernel.org/r/20180830063252.23729-25-jolsa@kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2018-08-30perf stat: Move 'unit_width' to 'struct perf_stat_config'Jiri Olsa
Move the static 'unit_width' variable to 'struct perf_stat_config', so it can be passed around and used outside the 'perf stat' command. Signed-off-by: Jiri Olsa <jolsa@kernel.org> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Andi Kleen <andi@firstfloor.org> Cc: David Ahern <dsahern@gmail.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Peter Zijlstra <peterz@infradead.org> Link: http://lkml.kernel.org/r/20180830063252.23729-24-jolsa@kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2018-08-30perf stat: Move 'metric_only' to 'struct perf_stat_config'Jiri Olsa
Move the static 'metric_only' variable to 'struct perf_stat_config', so it can be passed around and used outside the 'perf stat' command. Signed-off-by: Jiri Olsa <jolsa@kernel.org> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Andi Kleen <andi@firstfloor.org> Cc: David Ahern <dsahern@gmail.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Peter Zijlstra <peterz@infradead.org> Link: http://lkml.kernel.org/r/20180830063252.23729-23-jolsa@kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2018-08-30perf stat: Move 'interval_clear' to 'struct perf_stat_config'Jiri Olsa
Move the static 'interval_clear' variable to 'struct perf_stat_config', so it can be passed around and used outside the 'perf stat' command. Signed-off-by: Jiri Olsa <jolsa@kernel.org> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Andi Kleen <andi@firstfloor.org> Cc: David Ahern <dsahern@gmail.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Peter Zijlstra <peterz@infradead.org> Link: http://lkml.kernel.org/r/20180830063252.23729-22-jolsa@kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2018-08-30perf stat: Move csv_* to 'struct perf_stat_config'Jiri Olsa
Move the static csv_* variables to 'struct perf_stat_config', so that it can be passed around and used outside the 'perf stat' command. Signed-off-by: Jiri Olsa <jolsa@kernel.org> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Andi Kleen <andi@firstfloor.org> Cc: David Ahern <dsahern@gmail.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Peter Zijlstra <peterz@infradead.org> Link: http://lkml.kernel.org/r/20180830063252.23729-21-jolsa@kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2018-08-30perf stat: Pass a 'struct perf_stat_config' argument to global print functionsJiri Olsa
Add 'struct perf_stat_config' argument to the global print functions, so that these functions can be used out of the 'perf stat' command code. Signed-off-by: Jiri Olsa <jolsa@kernel.org> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Andi Kleen <andi@firstfloor.org> Cc: David Ahern <dsahern@gmail.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Peter Zijlstra <peterz@infradead.org> Link: http://lkml.kernel.org/r/20180830063252.23729-20-jolsa@kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2018-08-30perf stat: Pass 'struct perf_stat_config' argument to local print functionsJiri Olsa
Add 'struct perf_stat_config' argument to print functions, so that those functions can be moved out of the 'perf stat' command to a generic class in the following patches. Signed-off-by: Jiri Olsa <jolsa@kernel.org> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Andi Kleen <andi@firstfloor.org> Cc: David Ahern <dsahern@gmail.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Peter Zijlstra <peterz@infradead.org> Link: http://lkml.kernel.org/r/20180830063252.23729-19-jolsa@kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2018-08-30perf stat: Add 'struct perf_stat_config' argument to ↵Jiri Olsa
perf_evlist__print_counters() Add a 'struct perf_stat_config' argument to perf_evlist__print_counters(), so that it can be moved out of the 'perf stat' command to generic object in the following patches. Signed-off-by: Jiri Olsa <jolsa@kernel.org> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Andi Kleen <andi@firstfloor.org> Cc: David Ahern <dsahern@gmail.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Peter Zijlstra <peterz@infradead.org> Link: http://lkml.kernel.org/r/20180830063252.23729-18-jolsa@kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2018-08-30perf stat: Move STAT_RECORD out of perf_evlist__print_counters()Jiri Olsa
It's stat related and should stay in the 'perf stat' command. The perf_evlist__print_counters function will be moved out in the following patches. Signed-off-by: Jiri Olsa <jolsa@kernel.org> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Andi Kleen <andi@firstfloor.org> Cc: David Ahern <dsahern@gmail.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Peter Zijlstra <peterz@infradead.org> Link: http://lkml.kernel.org/r/20180830063252.23729-17-jolsa@kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2018-08-30perf stat: Introduce perf_evlist__print_counters()Jiri Olsa
To be in charge of printing out the stat output. It will be moved out of the 'perf stat' command in the following patches. Signed-off-by: Jiri Olsa <jolsa@kernel.org> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Andi Kleen <andi@firstfloor.org> Cc: David Ahern <dsahern@gmail.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Peter Zijlstra <peterz@infradead.org> Link: http://lkml.kernel.org/r/20180830063252.23729-16-jolsa@kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2018-08-30perf stat: Move perf_stat_synthesize_config() to stat.cJiri Olsa
So that it can be used globally. Signed-off-by: Jiri Olsa <jolsa@kernel.org> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Andi Kleen <andi@firstfloor.org> Cc: David Ahern <dsahern@gmail.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Peter Zijlstra <peterz@infradead.org> Link: http://lkml.kernel.org/r/20180830063252.23729-15-jolsa@kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2018-08-30perf stat: Add 'perf_event__handler_t' argument to perf_stat_synthesize_config()Jiri Olsa
So that it's completely independent and can be used outside the 'perf stat' command. Signed-off-by: Jiri Olsa <jolsa@kernel.org> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Andi Kleen <andi@firstfloor.org> Cc: David Ahern <dsahern@gmail.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Peter Zijlstra <peterz@infradead.org> Link: http://lkml.kernel.org/r/20180830063252.23729-14-jolsa@kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2018-08-30perf stat: Add 'struct perf_evlist' argument to perf_stat_synthesize_config()Jiri Olsa
Get rid of the 'evsel_list' global variable dependency, here in perf_stat_synthesize_config() we are adding the 'evlist' arg. Signed-off-by: Jiri Olsa <jolsa@kernel.org> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Andi Kleen <andi@firstfloor.org> Cc: David Ahern <dsahern@gmail.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Peter Zijlstra <peterz@infradead.org> Link: http://lkml.kernel.org/r/20180830063252.23729-13-jolsa@kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>